SleekLighting Spiral light bulb - E26 base CFL bulb - CFL Light Bulbs 13 Watt- 3 Pack, 2700 Kelvin for Warm White and 800 Lumens - (65 Watt Incandescent Light Bulb Equivalent) - UL Listed - Amazon.com
GE 16460 13-Watt 825-Lumen Energy Smart Soft White CFL Spiral Light Bulb, Soft White, 1-Pack - Compact Fluorescent Bulbs - Amazon.com
Lot of 2 CFL Light Bulbs Soft White 13W / 60W equivalent | eBay
Feit Electric 60-Watt Equivalent T3 Spiral Non-Dimmable GU24 Base CFL Compact Fluorescent Light Bulb, Daylight 5000K (2-Pack) BPESL13T/GU24D/2HDRP - The Home Depot
What kind of light bulb, 13W helical/spiral, seems to be too blinding for indoor use, and where should it be used instead? - Quora
Viribright 100 Watt Equivalent (13W), LED Light Bulbs, Warm White 2700K, A19 100w Bulb, A19 Base Light Bulb, 4 Pack - Amazon.com
Amazon.com: Helical 13w 120vac 60hz
UNITEDLUX E26 Spiral CFL Light Bulbs Medium Base 13Watt (60Watt Equivalent) Soft White 2700K, 1040Lm Non-dimmable Compact Fluorescent Light, (3 Pack) - Amazon.com
Feit Electric 60-Watt Equivalent T3 Spiral Non-Dimmable GU24 Base CFL Compact Fluorescent Light Bulb, Daylight 5000K (2-Pack) BPESL13T/GU24D/2HDRP - The Home Depot
GE 80888 20-Watt 1300-Lumen General Purpose T3 Spiral CFL Bulb, Soft White - Fluorescent Tubes - Amazon.com
Xtricity Compact Fluorescent Light Bulb T2 Spiral CFL, 5000k Daylight, 9W (40 Watt Equivalent), 540 Lumens, E26 Medium Base, 120V, UL Listed (Pack of 4) - Amazon.com